查询词典 alluvial fan

Then it defines that thebackground value of soil erosion of the middle Yellow River is 650-1000 millon tons/year according to thetwo-way calculation results of aggradation volume of the river alluvial fan and sediment deposition volumeof the ancient river mouth, after comprehensive consideration and under the conditions of less...

然后根据由黄河冲积扇的堆积量和古黄河口泥沙淤积量两种途径的推估结果，经综合考虑后认为，在历史上人类活动较小情况下，黄河中游土壤侵蚀的自然背景值为每年6.5～10亿t。

Urumqi, capital of Xinjiang Uygur Autonomous Region, is located in an alluvial fan-shaped basin on...

俚语是一种非正式的语言，通常用在非正式的场合，所以在用这些俚语是一定要考虑到所用的场合和对象，最好。。。

These channels are most common near the apex of the alluvial fan body.

这些河道最常见于近冲积扇体的顶端。

The Jurassic in study region can be divided into alluvial fan, river, lake and delta sedimentary systems.

将研究区内的侏罗系沉积划分为冲积扇、河流、湖泊和三角洲沉积体系。

The debris flow movement on the alluvial fan is simulated with the technology of numerical simulation and GIS.

考虑泥石流在扇形地和沟槽内的运动状态不同，采用不同的方法模拟泥石流在扇形地上和沟槽内的运动过程，更加真实地反映了泥石流的运动和堆积过程。

In the subaquatic alluvial fan environment,the study of well-logging data was an important part.

由于砂砾岩体沉积的特殊性，测井资料沉积相分析在砂砾岩体沉积相研究中起着十分重要的作用。

Effected by provenance from the depression northeast and the north, sandstones shaped as semicircle,are distributed in the depression northeast ,and then mudstone and silty argillite as its transition to the southwest. The sequence is classified into two types: alluvial fan-braided river sequence, which was formed by the strong tectonic movement in the lower Jurassic, lake-delta-meander river sequence that generated in the middle and upper Jurassic.

由于受凹陷东北部及北部双向物源的影响，砂岩呈半环状分布于凹陷的东北部，向西南部过渡为泥岩、粉砂质泥岩，研究中把层序结构分两种类型：既早侏罗世强烈构造运动形成的冲积扇-辫状河形的砂泥岩碎屑层序、中晚侏罗世形成的湖泊-三角洲-曲流河形的砂泥岩碎屑层序。

As the lake basin shoals and silts up, the color of clastic sediment gradually changes from black, black gray, gray and grayish green to purplish grey and red purple, meaning that the subaerial alluvial fan deposit of late stage has replaced the fan-delta deposit and that the coal-forming process ends.

待湖盆逐渐变浅和淤积，碎屑沉积物的颜色由黑、黑灰、灰、灰绿逐渐变为紫灰和紫红，表明晚期陆上冲积扇沉积已经代替了扇三角洲沉积，成煤作用随之结束。

Lake deposit Facies analysis Alluvial fan Underwater fan Delta Reservoir Sedimentary mode Channel deposit

湖泊沉积；相分析；冲积扇；水下扇；三角洲；储集层；沉积模式；河道沉积

Usually the first sub-system for the watershed scientists, experts and hydrologists topography of the object of concern, where the physical environment, energy in the form of negative entropy flow into the system; the second sub-system for the hydraulic engineer with the rivers and landscape Jurists of the object of common concern, at the same time the ancient flood plain and river valley sludge for formation of Jurists and the concerns of sedimentologists; the third sub-systems related to geology and ocean engineering, and the alluvial fan, alluvial plain, delta morphology, internal structure and stratigraphy is characterized by geology and geomorphology of the issues of common concern, where the material flow in the form of energy output into the environment.

通常第一亚系统为流域科学家、地貌学家和水文学家所关心的对象，在这里环境中的物质、能量以负熵流的形式进入系统；第二亚系统为水力与河道整治工程师和地貌学家共同关心的对象，同时泛滥平原上的古河道及河谷淤积物又为地层学家和沉积学家所关注；第三亚系统关系到地质学和海洋工程，而冲积扇、冲积平原、三角洲的形态、内部结构和地层特点是地质学和地貌学共同关心的课题，在这里物质能量以流的形式输出到环境中去。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失